fix CSS mistranslated from LESS

res/static/main.css

@@ -67,7 +67,7 @@ a {
         padding: 0.5em;
         margin: 0.2em;
         display: inline-block;
-        border-radius: var(--border-radius) * 5;
+        border-radius: calc(var(--border-radius) * 5);
         border: 1px solid var(--text-color);
         @media (prefers-color-scheme: dark) {
             color: var(--text-color-dark);

res/static/song.css

@@ -38,7 +38,8 @@ div.chorus, p.chorus {
     }
 }
 
-.rrep {
+.rrep,
+.lrep {
     background-image: url(repeat-sign.svg);
     display: inline-block;
     width: 1em;
@@ -56,7 +57,6 @@ div.chorus, p.chorus {
     transform: scaleX(-1);
     filter: FlipV;
     -ms-filter: "FlipV";
-    .rrep();
 }
 
 .rep {